Edited by Wilfred van der Donk, University of Illinois at Urbana-Champaign, Urbana, IL; received November 27, 2024; accepted February 21, 2025 ...

Remember the time when the only way to alter expression of an endogenous gene in eukaryotes was to knock it out? Then came the discovery by Craig Mello and Andrew Fire in 1998 that a double ...

Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth.” So goes the famous dictum of Sherlock Holmes, echoed by paleobotanist C. Kevin Boyce in summarizing ...

DNA is the genetic code that provides the biological instructions for every living species, but not every bit of DNA helps ...

Peer ReviewDownload a summary of the editorial decision process including editorial decision letters, reviewer comments and author responses to feedback.

For most of human history, the overall population is believed to have remained quite low. But since the early 1800s, the ...

Elm trees have leaves that are doubly toothed around the margins and are usually asymmetrical at the base. They grow in an alternating pattern along the stem. Some elm leaves are smooth on one ...

WASHINGTON — Two people are dead after trees fell onto cars in separate incidents as severe thunderstorms rolled through the DMV Friday evening. Severe thunderstorm warnings were issued for D.C ...

At Lemonade Creek, a narrow acidic stream running around 112 °F (44 °C) with a pH near 2, scientists have uncovered a diverse collection of giant viruses living alongside red algae and other ...

Climate change is severely threatening Joshua trees, studies show. A federal court in California sided with environmentalists, striking down a U.S. Fish and Wildlife Service (FWS) attempt to ...